Stopped: The trial was comprised of two parts. After the first part we could repudiate our hypothesis. Thus, no reason to carry on with the second part of the trial.
This trial is a part of the project: 'A novel technique for reliable, precise and safe postoperative pain management' (project no. 65-2014-3). The purpose of the trial is to investigate the effects of changing peri-neural infusion rates of ropivacaine 0.2% on the duration of nerve block. Intervention: Two intervention-days. Each day a peri-neural infusion of a fixed volume of ropivacaine 0.2% is to be infused in one of five infusion rates, using a peri-neural catheter. Intervention day 1: Focus on the common peroneal nerve. Intervention day 2: Focus on the sciatic nerve.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Duration of insensitivity towards cold
Timeframe: Until nerve block remission (expected to be less than 24 hours).